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 inc_func_common.asp - URL Parsing
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RichardKinser
Snitz Forums Admin

USA
16655 Posts

Posted - 20 February 2003 :  02:22:27  Show Profile
problem is discussed in this topic: using - on a url

here is the fix:

in the edit_hrefs function (at the bottom of inc_func_common.asp) find this section:

	} else if (iType == 3) {
		sOutput = sOutput.replace(/\b(www\.[\w+\.\:\/\@\_\?\=\&\-\'\#\%\~\;\,\$\!\+\*]+)/gi,
			"<a href=\"http://$1\" target=\"_blank\">$1<\/a>");
and replace it with this:
	} else if (iType == 3) {
		sOutput = sOutput.replace(/\b(www\-\.[\w+\.\:\/\@\_\?\=\&\-\'\#\%\~\;\,\$\!\+\*]+)/gi,
			"<a href=\"http://$1\" target=\"_blank\">$1<\/a>");

Deleted
deleted

4116 Posts

Posted - 20 February 2003 :  02:50:36  Show Profile
Fixed in v4b04 alpha 03

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Davio
Development Team Member

Jamaica
12217 Posts

Posted - 20 February 2003 :  08:27:30  Show Profile
Richard, could you explain the change you made? Does the change you made look for the - before the www?

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RichardKinser
Snitz Forums Admin

USA
16655 Posts

Posted - 20 February 2003 :  08:47:50  Show Profile
quote:
Originally posted by Davio

Richard, could you explain the change you made? Does the change you made look for the - before the www?

it looks for it before the first period, it can be before or after the www
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Nikkol
Forum Moderator

USA
6907 Posts

Posted - 21 February 2003 :  21:28:52  Show Profile
did you make that change here Richard? Seems to have effected urls typed starting with just www:

www.yahoo.com

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RichardKinser
Snitz Forums Admin

USA
16655 Posts

Posted - 21 February 2003 :  22:24:53  Show Profile
yes, I did make the change here. Seems the only thing this change did is to block the code that parses URLs that start with just www (no http:// etc...)

so, I am going to recommend that the above change NOT be made, and anyone who has already changed it, to change it back to the original state.

Everytime we start messing around with the code that parses URLs, something gets broken. Sometimes I think we should just make it mandatory to place tags around all URLs.

For the specific situation posted in this topic: using - on a url
the following change should rectify it:

on line #73 of inc_func_common.asp find the following:

				(UCase(Right(strArray(Counter-1), 5)) <> "SRC=""") and _
and insert the following lines of code just below it (on line #74)
				(UCase(Right(strArray(Counter-1), 1)) <> "-") and _
				(UCase(Right(strArray(Counter-1), 1)) <> "=") and _
the second line (testing for an equals sign) will allow urls such as this:

http://www.yoursite.com/refer.asp?refer=www.yahoo.com
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Deleted
deleted

4116 Posts

Posted - 22 February 2003 :  01:48:08  Show Profile
The possibilities make it virtually impossible to be covered by a single regexp. Without re-writing the complete logic we will not be able to expand it.

Your suggested change searched for "www-." at the start to recognize it as a url, instead of "www."... This is type 3 detection, so the string does not have a protocol header.

A more general one could be:

sOutput = sOutput.replace(/\b([a-zA-Z0-9\-^.]*www[a-zA-Z0-9\-^.]*\.[\w+\.\:\/\@\_\?\=\&\-\'\#\%\~\;\,\$\!\+\*]+)/gi,
"<a href=\"http://$1\" target=\"_blank\">$1<\/a>");


and changing the

	fString = ChkURLs(fString, "www.", 3)

to

	fString = ChkURLs(fString, "www", 3)


It fully detects (tested):
www.mysite.com
www1.mysite.com
www-1.mysite.com

But not:
e-www.mysite.com => detected as e-www.mysite.com
e-www-1.mysite.com => detected as e-www-1.mysite.com [edit]moved this here[/edit]

It does not test "e-www" because the code in ChkURLs uses the split function to handle it. The "e-" part is left in the previous array element. It can only be detected by changing the split logic IMHO. Therefore the red part marked above is no use as of now.

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Edited by - Deleted on 22 February 2003 02:24:38
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GauravBhabu
Advanced Member

4288 Posts

Posted - 22 February 2003 :  12:18:51  Show Profile
Try this to check if the URL is a valid Format


Example URL's
1. vURL = http://www.mysite.com
2. vURL = http://1-www.mysite.com
3. vURL = http://1-www-1.mysite.com
4. vURL = http://e-www.mysite.com
6. vURL = http://e-www-e.mysite.com
7. vURL = http://1-www-e.mysite.com
8. vURL = http://e-www-1.mysite.com
9. vURL = http://forum.mysite.com

if IsValidURL(vURL) then
 strLink = "<A HREF=""" & vURL & """>" & vURL & </A>"
else
 strLink = vURL
end if

function IsValidURL(ByVal vURL)
 Set objRegEx = New RegExp
 objRegEx.Global = True
 objRegEx.IgnoreCase = True
 objRegEx.Pattern = "^(((http://)|(https://))(([a-zA-Z0-9]{1}\-www)|(www\-[a-zA-Z0-9]{1})|([a-zA-Z0-9]{1}\-www\-[a-zA-Z0-9]{1})|(www)|([a-zA-Z0-9]{1,}))\.([\w\-]{2,})\.([a-zA-Z]{2,})([\w\d\\\/\?\s\=\.\#\&]*))$"
 IsValidURL = objRegEx.Test(vURL)
end function



Edited by - GauravBhabu on 22 February 2003 17:13:43
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Grandmaster
Starting Member

Brazil
46 Posts

Posted - 24 February 2003 :  10:23:46  Show Profile  Visit Grandmaster's Homepage  Send Grandmaster an ICQ Message
I got a little confused now. :)

What change(s) should I do to my file(s)?

--
Renato "Grandmaster"
CobiT Foundation 4.1 Certified ID: 90391725
http://www.renato.henriques.nom.br
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Davio
Development Team Member

Jamaica
12217 Posts

Posted - 24 February 2003 :  11:52:34  Show Profile
Are you having a problem with urls in your forum? If not, you don't need to make any change.

This bug is still being worked on, as far as I can see. Would need to remove the "FIX" from the title if we haven't found one that will work.

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Deleted
deleted

4116 Posts

Posted - 24 February 2003 :  18:04:06  Show Profile
Davio, that would be fine. Perhaps moving this into dev-discussions is a better solution...

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throwithere
Starting Member

10 Posts

Posted - 28 February 2003 :  03:50:50  Show Profile
where exactly does the code for parsing urls with
tags are? the javascript function edit_hrefs() doesn't seem to be working and i haven't changed anything yet. i have traced that messages with
tags go to edit_hrefs() but it doesn't seem to do anything to the message.

please help.
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Davio
Development Team Member

Jamaica
12217 Posts

Posted - 13 March 2003 :  00:16:47  Show Profile
What's the final census on this? Should we go with Richard's or GB's solution? GB's solution uses regular expression, which I believe you need to have the latest version of the scripting engine.

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Nikkol
Forum Moderator

USA
6907 Posts

Posted - 13 March 2003 :  06:57:13  Show Profile
I thought the original used regular expressions anyway

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RichardKinser
Snitz Forums Admin

USA
16655 Posts

Posted - 13 March 2003 :  07:00:17  Show Profile
it uses javascript regular expressions, vbscript regular expressions didn't become available until vbScript v5

http://www.brettb.com/VBScriptRegularExpressions.asp
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Nikkol
Forum Moderator

USA
6907 Posts

Posted - 13 March 2003 :  07:01:50  Show Profile
ah, ok.

Nikkol ~ Help Us Help You | ReadMe | 3.4.03 fixes | security fixes ~
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